PHP Quiz 9

When one decision-making statement is contained within another decision-making statement it is referred to as a ____ decision-making structure. enclosed contained nested layered

nested

Exponential ____ is a shortened format for writing very large numbers with any decimal places. numbering notation registering

notation

A text string can be contained in either double or single quotation marks. True False

True

A unary operator requires an operand before or after the operator. True False

True

All Web pages containing PHP code must have an extension of .php. True False

True

In PHP, you must declare a global variable with the global keyword inside a function definition for the variable to be available within the scope of that function. True False

True

One of the primary differences between the while statement and the for statement is that in addition to a conditional expression, the for statement can also include code that initializes a counter and changes its value with each iteration. True False

True

The do...while statement executes a statement or statements once, then repeats the execution as long as a given conditional expression evaluates to TRUE. True False

True

The for statement performs essentially the same function as the while statement. True False

True

The switch statement controls program flow by executing a specific set of statements, depending on the value of an expression. True False

True

To ensure that the while statement will eventually end, you must include code within the body of the while statement that changes the value of the conditional expression. True False

True

A(n) ____ operator is used in PHP to perform mathematical calculations. math arithmetic calculation

arithmetic

The ____ operator executes one of two expressions based on the results of a conditional expression. conditional expressional comparison

conditional

A(n) ____ is a literal value or variable that can be evaluated by the PHP scripting engine to produce a result. expression condition clause

expression

A function executes automatically. True False

false

A(n) ____ is an element's numeric position within an array. location index indicator

index

Data types that can be assigned only a single value are called ____ types. individual mono primitive

primitive

In a ____ programming language the data type for a variable will not change after it has been declared. loosely typed strongly typed constantly typed

strongly typed

A(n) ____ operator requires a single operand either before or after the operator. unary single binary

unary

Assignment operators are used to assign a ____ to a variable. name value data type

value

When you declare a global variable with the global keyword, you do not need to assign the variable a(n) ____. value definition function name

value

The parameters within the parentheses of a function declaration are what kind of variables? local global unknown declared

local

The ____ operator uses the % symbol to find the remainder of integer division. division modulus arithmetic

modulus

The for...while statement is used to iterate or loop through the elements in an array. True False

False

The formal parameters within the parentheses of a function declaration are global variables. True False

False

The primary purpose of a semicolon in PHP is to identify the end of a line. True False

False

The statements in a do...while statement always execute repeatedly before the conditional expression evaluates the count variable. True False

False

You will not receive an error if you attempt to use a foreach statement with any variable types other than arrays. True False

False

Constant names are always case sensitive. True False

False

Include statements support only absolute path notation. True False

False

Like variables, function names are case sensitive. True False

False

Logical operators are used for comparing two ____ operands for equality. numeric Boolean string

Boolean

A function must contain a parameter. True False

False

A function must return a value. True False

False

A line comment must be placed at the end of the line to which the comment refers. True False

False